010-150 Question #49: Real Exam Question with Answer & Explanation

The correct answer is B. Terminal. A terminal (terminal emulator) provides access to the command-line interface (CLI) where users can type and execute shell commands.

Question

Which of the following can be used to access the command line?

Options

ABIOS
BTerminal
CXWindow
DFirefox
EXargs

Explanation

A terminal (terminal emulator) provides access to the command-line interface (CLI) where users can type and execute shell commands.

Common mistakes.

A. The BIOS (Basic Input/Output System) is firmware that initializes hardware during boot; it has its own setup interface but does not provide access to the operating system command line.
C. X Window System (X11) is a graphical display server framework; it provides the foundation for a GUI but is not itself a command-line interface, though terminal emulators can run within it.
D. Firefox is a graphical web browser used for accessing websites; it does not provide access to the operating system command line.
E. xargs is a command-line utility that builds and executes commands from standard input; it is used within the command line but is not a means to access the command line itself.

Concept tested. Linux command-line access via terminal emulator

Reference. https://tldp.org/LDP/intro-linux/html/sect_02_03.html

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